Swift Package Index

Build Information

Failed to build SwiftMutationTesting, reference v1.7.1 (603509), with Swift 6.1 for iOS using Xcode 16.3 on 9 Nov 2026 08:21:24 UTC.

Build Command

No build command. This typically means the build failed at an early stage where we determine the build command.

Build Log

========================================
RunAll
========================================
Builder version: 5.1.4
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/ericodx/swift-mutation-testing.git
Reference: v1.7.1
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/ericodx/swift-mutation-testing
 * tag               v1.7.1     -> FETCH_HEAD
HEAD is now at 603509a Merge pull request #247 from ericodx/fix/sandbox-resource-copies-and-tmpdir
Cloned https://github.com/ericodx/swift-mutation-testing.git
Revision (git rev-parse @):
603509a9345c419e85d5ec48f3f558fd8aee1741
SPI manifest file found: $PWD/.spi.yml
SUCCESS checkout https://github.com/ericodx/swift-mutation-testing.git at v1.7.1
========================================
Build
========================================
Selected platform:         iOS
Swift version:             6.1
Building package at path:  $PWD
https://github.com/ericodx/swift-mutation-testing.git
https://github.com/ericodx/swift-mutation-testing.git
error: 'spi-builder-workspace': package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
error: fatalError
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-11-09 00:21:23.857 xcodebuild[506:2929] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-09-11_00-21-0023.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Command line invocation:
    /Applications/Xcode-16.3.0.app/Contents/Developer/usr/bin/xcodebuild -IDEClonedSourcePackagesDirPathOverride=/Users/admin/builder/spi-builder-workspace/.dependencies -resolvePackageDependencies
Resolve Package Graph
package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
Resolved source packages:
  spi-builder-workspace: (null)
2026-11-09 00:21:24.647 xcodebuild[520:3045] Writing error result bundle to /var/folders/5k/5yc19ymj0jqd5v0zvgfqz0xw0000gn/T/ResultBundle_2026-09-11_00-21-0024.xcresult
xcodebuild: error: Could not resolve package dependencies:
  package 'spi-builder-workspace' is using Swift tools version 6.2.0 but the installed version is 6.1.0
BUILD FAILURE 6.1 iOS